.modal {
    display: block !important;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0);
    opacity: 0;
    pointer-events: none;
    transition: opacity .35s ease, background-color .35s ease;
}

.modal .modal-content {
    background: #fff;
    max-width: 500px;
    width: 90%;
    padding: 30px;
    border-radius: 10px;
    margin: 80px auto;
    position: relative;
    transform: translateY(40px);
    transition: transform .35s ease;
}

.modal.visible {
    opacity: 1;
    background-color: rgba(0,0,0,0.6);
    pointer-events: auto;
}

.modal.visible .modal-content {
    transform: translateY(0);
}